Normal usage

Normal usage involves:

1. Starting the program.
2. Filling out the Connection settings dialog (SQLite version, MySQL/PostgreSQL version). This connects to a database using a certain configuration.
3. Opening a query, or or writing a query in the input area.
4. Executing the query with the execute button.
5. Examining the output in the output area.
6. Repeating from step 3, or quitting the program.